one-string
onevalued
one-way
onkilonite
on-land
onlap
on-line
online
on-off
on-position
  on-scene
onset
on-site
on-stream
on-the-job
on-the-site
on-time
ontogenesis
ontogeny
onychite
oolite

    on-scene preparatory time

    время подготовки на месте